The subject innovation is the outlet to the front are formed the rear is formed with a connecting portion connected to the water pipe top of the handle portion is installed to rotate the packing member of the catches provided on the handle of the lower with the rotation the handle portion is of a plate provided in the and also the valve body to open and close the drain hole, and the plate section yirumyeonseo a lower face of the capital valve body'm emissions might valve body formed thicker than the thickness of the connection, said plate portion is formed in the lower inner circumferential surface, the female threaded portion is formed and the upper portion of water valves fastening the pitcher hole in communication with the interior of the body perforated groove, the top face is formed in a plane and tightening the upper outer peripheral surface is formed into a slope, and while inserted presented a lower portion of the inclined surface's additional male thread is formed on the outer peripheral surface matching with the coupling groove screw a bolt body that is provided with a lower surface of the bolt body has the handle portion protrudes downward and drip is formed with which the outlet to the unit when the inlet to the inclined surface inside of the bolt body and puncturing punctured channel bolt, the drip bolt pool the drip bolt in a state of seating on the upper end face or in accordance with the tightening of the valve also relates to a frost resistant, characterized in that a sealing pad that is configured to open and close the watertight bottom hole permeability.